{"id":"3947a317-8fba-4281-8337-8b07949b426c","title":"华南地区大云山—幕阜山岩体磁化率各项异性和矿物40Ar-39Ar的年龄数据集（150-95 Ma）","title_en":"Magnetic susceptibility anisotropy and 40Ar-39Ar age data set of the Dayunshan-Mufushan pluton in South China (150-95 MA)","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"文件命名：年代学数据以Excel表格存储，文件的名称为“2018DM-40Ar-39Ar data.xlsx\"和\"2018DM-AMS data.xlsx\"，其中2018代表数据在2018测试获得,DM代表样品采集于大云山—幕阜山，40Ar-39Ar data代表文件为40Ar-39Ar数据，AMS data 代表大云山—幕阜山岩体的磁化率各项异性数据。“2018DM-40Ar-39Ar data.xlsx\"和\"2018DM-AMS data.xlsx\"这两个文件分别为大云山—幕阜山的40Ar-39Ar数据和AMSS数据。\n使用方法：该数据为xlsx文件格式，可以用Excel直接打开","description":"数据包含两部分，分别为大云山—幕阜山岩体的磁化率各项异性（AMS）数据，及岩体南缘的花岗质糜棱岩和围岩云母片岩中的黑云母、角闪石和白云母的40Ar-39Ar的年龄。在野外使用便携式汽油钻机采集岩芯柱，然后在室内将样品切割成标准的直径2.5 cm，高2.2 cm的柱体。最终的测试在中国科学院地质与地球物理研究所的古地磁实验室完成。矿物的40Ar-39Ar的年龄的测试过程主要包含以下步骤。先对岩石样品进行清洗和粉碎，然后在双筒显微镜下手工挑选黑云母颗粒。在为定年做准备之前，重新检查了黑云母，选择了新鲜、透明、没有夹杂物的晶体。实验主要在中国科学院地质与地球物理研究所地质与地球物理重点实验室在40Ar/39Ar和U-Th/He实验室完成。使用MM5400质谱仪高分辨率进行40Ar/39Ar的测量。然后利用excel的软件的插件ArArCALC对测试的原始数据进行进一步的处理。该数据为大云山-幕阜山岩体侵位过程及动力学机制的解释提供年代学的支持。\n以上数据已发表在Journal of Geophysical Research: Solid Earth，数据真实可靠","doi":"10.11888/Geo.tpdc.271327","projection":"","language":"zh","share_type":"online","east":114.5,"west":113.0,"south":28.5,"north":29.5,"scale":null,"crs":null,"filesize":0.05,"share_policy":"a","ts_created":"2021-05-24T20:01:25.880696+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-05-26T09:26:34.835795+08:00","time_description":"150 Ma-95 Ma","datas_group":3,"time_description_en":"150 Ma-95 Ma","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"颜茂都","username":"颜茂都","email":"maoduyan@itpcas.ac.cn","is_cancel_expert":true}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"1000 year < x","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[521],"subtopics":{"metadata":"3947a317-8fba-4281-8337-8b07949b426c","three_pole":null,"third_pole":null},"username":"孟令通","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":466}